M bag machine clamp bag opening device of bag feeding machine

Abstract

The utility model discloses an M bag machine clamping bag opening device of a bag feeding machine, which comprises a turntable, a left clamping arm and a right clamping arm, the left clamping arm and the right clamping arm are rotatably arranged on the turntable through a shaft, one end of the left clamping arm and one end of the right clamping arm are respectively provided with a sector gear, the two sector gears are in meshing transmission, and the other end of the left clamping arm and the other end of the right clamping arm are respectively provided with a front clamp and a rear clamp. Comprising a front base, a bag opening roller is arranged at the lower end of the front base, the front base is in transmission connection with a rear clamp through a bag opening pull rod, the bag opening roller is located at the edge of a rotary disc, a bag opening guide rail is erected corresponding to the bag opening roller, the bag opening guide rail is arc-shaped and surrounds the outer side of the edge of the rotary disc, and a reset assembly is further arranged between the front base and the rotary disc. As the bag opening guide rail is arranged on the outer side of the edge of the turntable, and the bag opening roller is positioned on the edge of the turntable, the bag opening roller and the bag opening guide rail are more convenient to disassemble, assemble and maintain, the structure is optimized, and the transmission efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of bag feeding machines, in particular to an M bag machine bag clamping and opening device of the bag feeding machine. Background Art

[0002] The patent with Chinese invention patent authorization announcement number CN222347424U discloses an M-bag machine clamp, including a turntable, a left clamp arm and a right clamp arm. The turntable is installed on a rotating shaft, and the rotating shaft is installed in a turntable column. The rotating shaft is driven by a motor. The left clamp arm and the right clamp arm are rotatably installed on the turntable through a shaft. Fan gears are respectively arranged at one end of the left clamp arm and one end of the right clamp arm, and the two fan gears are meshed for transmission. It is characterized in that: a front clamp and a rear clamp are respectively arranged at the other ends of the left and right clamp arms, the front clamp is opened and closed by a first opening and closing mechanism, and the rear clamp is opened and closed by a second opening and closing mechanism. The rear clamp is also driven by a bag opening drive mechanism to open a distance between it and the front clamp. A first pull rod is arranged at the fan gear end on the left clamp arm or the right clamp arm, and the first pull rod is connected to the packaging bag specification adjustment mechanism. Among them, the bag opening drive mechanism includes a transmission seat installed on the turntable, a guide rod which can be extended and retracted along the radial direction of the turntable is arranged on the transmission seat, a connecting block is arranged at the front end of the guide rod, a bag opening pull rod is arranged between the connecting block and the rear clamp, a shift fork is arranged at the rear end of the guide rod, and a rotatable rocker arm is also arranged on the transmission seat, a shift rod is arranged at one end of the rocker arm, and the shift rod is placed in the fork groove of the shift fork, a bag opening roller is arranged at the other end of the rocker arm, and a bag opening cam piece is arranged corresponding to the bag opening roller.

[0003] In the above structure, the bag opening drive mechanism has the following disadvantages: the structure is complex, and the bag opening cam needs to be built into the central area below the turntable, which makes it difficult to disassemble and repair. In addition, the bag opening roller needs to be driven by components such as a fork, a rocker arm, a connecting block, and a bag opening pull rod to drive the rear clamp to move. The transmission structure is complex, the cost is high, the installation is time-consuming and labor-intensive, and the efficiency is low. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an M bag machine bag clamping and opening device for a bag feeding machine, which aims to have high transmission efficiency and convenient disassembly and maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an M bag machine clamping and opening bag device of a bag feeding machine, comprising a turntable, a left clamping arm and a right clamping arm, the turntable is mounted on a rotating shaft, the rotating shaft is mounted in a turntable column, the rotating shaft is driven by a motor, the left clamping arm and the right clamping arm are rotatably mounted on the turntable through a shaft, one end of the left clamping arm and one end of the right clamping arm are respectively provided with a sector gear, and the two sector gears are meshed for transmission, the other ends of the left and right clamping arms are respectively provided with a front clamp and a rear clamp, and also include a front seat, the lower end of the front seat is provided with a bag opening roller, the The front seat is connected to the rear clamp through a bag opening pull rod, and the bag opening roller is located at the edge of the turntable. A bag opening guide rail is provided corresponding to the bag opening roller frame. The bag opening guide rail is arc-shaped and is arranged around the outer side of the edge of the turntable. A reset component is also provided between the front seat and the turntable. After the bag opening roller rolls onto the bag opening guide rail with the turntable, the bag opening roller contacts the bag opening guide rail under the action of the reset component, so that the position of the bag opening roller shrinks toward the inside of the turntable, driving the rear clamp to retract and increase the distance between it and the front clamp, and then opening the bag mouth of the M bag.

[0006] The reset assembly includes a guide seat connected to the lower end surface of the turntable, a guide hole is arranged in the guide seat, a guide rod is arranged in the guide hole and slides telescopically along the guide hole, the front end of the guide rod is connected to the front seat, the rear end of the guide rod is connected to the tail seat, and a reset tension spring is arranged between the tail seat and the guide seat.

[0007] The beneficial effect of the utility model is that since the bag opening guide rail is arranged outside the edge of the turntable and the bag opening roller is located at the edge of the turntable, the bag opening roller and the bag opening guide rail are more convenient to disassemble, assemble and maintain, the structure is optimized and the transmission efficiency is high.

[0008] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A three-dimensional diagram of a specific implementation of the utility model;

[0010] Figure 2 It is a partial diagram of a specific implementation method of the utility model;

[0011] Figure 3 for Figure 1 A magnified view of middle;

[0012] Figure 4 It is a partial stereogram of a specific implementation manner of the utility model.

[0013] In the figure, 1, turntable; 2, left clamp arm; 3, right clamp arm; 4, front clamp; 5, rear clamp; 6, front seat; 7, bag opening roller; 8, bag opening pull rod; 9, bag opening guide rail; 10, reset assembly; 101, guide seat; 102, guide rod; 103, tail stock; 104, reset spring. DETAILED DESCRIPTION

[0014] The present invention is specifically described below through embodiments, which are only used to further illustrate the present invention and should not be construed as limiting the protection scope of the present invention.

[0015] like Figure 1 — Figure 4 As shown, the present embodiment discloses an M bag machine bag opening device of a bag feeding machine, comprising a turntable 1, a left clamp arm 2 and a right clamp arm 3. The turntable 1 is mounted on a rotating shaft, and the rotating shaft is mounted in a turntable column. The rotating shaft is driven by a motor. The left clamp arm 2 and the right clamp arm 3 are rotatably mounted on the turntable 1 through a shaft. One end of the left clamp arm 2 and one end of the right clamp arm 3 are respectively provided with a sector gear, and the two sector gears are meshed for transmission. The other ends of the left and right clamp arms 3 are respectively provided with a front clamp 4 and a rear clamp 5. The rear clamp 5 is telescopically movable along the left or right clamp arm. The front clamp 4 is used to clamp the V-shaped folded edge at the front end of the edge of the bag opening of the M bag, and the rear clamp 5 is used to clamp the V-shaped folded edge at the rear end of the edge of the bag opening of the M bag. It also includes a front seat 6, and a bag opening roller 7 is arranged at the lower end of the front seat 6. The front seat 6 is connected to the rear clamp 5 through a bag opening pull rod 8. The bag opening roller 7 is located on the turntable 1. The edge position of the bag opening roller 7 is corresponding to the bag opening guide rail 9, which is arc-shaped and arranged around the outer side of the edge of the turntable 1. A reset component 10 is also arranged between the front seat 6 and the turntable 1. After the bag opening roller 7 rolls onto the bag opening guide rail 9 with the turntable 1, the bag opening roller 7 contacts with the bag opening guide rail 9 under the action of the reset component 10, so that the position of the bag opening roller 7 shrinks toward the inside of the turntable 1, driving the rear clamp 5 to retract so that it is spaced apart from the front clamp 4, and then the bag opening of the M bag is opened. Of course, when the bag opening roller 7 rotates into the bag opening guide rail, it may not contact the bag opening guide rail 9. At this time, a cam block needs to be installed on the bag opening guide rail 9. When the bag opening roller 7 contacts and passes through the cam block, the bag opening roller 7 can be pushed to retract inward, so that the rear clamp can also retract and be spaced apart from the front clamp to open the bag opening of the M bag.

[0016] The reset assembly 10 includes a guide seat 101 connected to the lower end surface of the turntable 1, a guide hole is provided in the guide seat 101, a guide rod 102 which is telescopically slidable along the guide hole is provided in the guide hole, the front end of the guide rod 102 is connected to the front seat 6, the rear end of the guide rod 102 is connected to the tail seat 103, and a reset spring 104 is arranged between the tail seat 103 and the guide seat 101, so that the tail seat 103 pushes the guide rod 102 forward under the action of the reset spring, so that the front seat 6 on the guide rod 102 drives the front clamp 4 to contact the rear clamp 5 through the bag opening pull rod 8, and when the bag opening roller 7 at the lower end of the front seat 6 rotates to the bag opening guide rail 9, it can always maintain contact with the bag opening guide rail 9.

[0017] By adopting the above technical solution, since the bag opening guide rail 9 is arranged on the outside of the edge of the turntable 1, and the bag opening roller 7 is located at the edge of the turntable 1, the bag opening guide rail 9 and the bag opening roller 7 are arranged externally, which makes the disassembly, assembly and maintenance of the bag opening roller 7 and the bag opening guide rail 9 more convenient, optimizes the structure and has high transmission efficiency.

[0018] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0019] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bag-feeding machine M bag-feeding machine bag-opening device, comprising a turntable, a left clamp arm and a right clamp arm, the turntable is mounted on a rotating shaft, the left clamp arm and the right clamp arm are rotatably mounted on the turntable through a shaft, a sector gear is respectively arranged at one end of the left clamp arm and one end of the right clamp arm, and the two sector gears are meshed for transmission, and the other ends of the left and right clamp arms are respectively provided with a front clamp and a rear clamp, characterized in that: It also includes a front seat, a bag opening roller is arranged at the lower end of the front seat, the front seat is transmission connected with the rear clamp through a bag opening pull rod, the bag opening roller is located at the edge of the turntable, a bag opening guide rail is arranged corresponding to the bag opening roller frame, the bag opening guide rail is arc-shaped and is arranged around the outer side of the edge of the turntable, a reset component is also arranged between the front seat and the turntable, after the bag opening roller rolls onto the bag opening guide rail with the turntable, the bag opening roller contacts with the bag opening guide rail under the action of the reset component, so that the bag opening roller position shrinks toward the inside of the turntable, driving the rear clamp to retract and increase the distance between it and the front clamp.

2. The M bag clamping and opening bag device of the bag feeding machine according to claim 1, characterized in that: The reset assembly includes a guide seat connected to the lower end surface of the turntable, a guide hole is arranged in the guide seat, a guide rod is arranged in the guide hole and slides telescopically along the guide hole, the front end of the guide rod is connected to the front seat, the rear end of the guide rod is connected to the tail seat, and a reset tension spring is arranged between the tail seat and the guide seat.

Images